Quick hydraulic magnetic circuit breaker. The Quick hydraulic magnetic circuit breaker is a specific amperometric protection for direct current and is most important to avoid any irretrievable damages to the electric equipment on the boat, such as windlasses, winches, warping winches, etc. It intervenes in case of overcurrent by disabling the electrical circuit. The protection resetting is manual. The hydraulic magnetic circuit breaker can be set to 12 and 24V, installation is very simple and can be fixed in any area of the boat. 80A.